Senior Staff WriterI can't be the only one scratching my head, right? On the heels of Jeanne Tripplehorn leaving Criminal Minds behind, the show has already found her replacement in none other than Jennifer Love Hewitt! The Client List and Ghost Whisperer alum will join the series for its upcoming 10th season, which will air October 1st at 9pm. Hewitt will play Kate Callahan, an undercover agent whose great work at the FBI secures her a coveted spot on the BAU team. What do you guys think of this? Keep Up With PopWrapped On The Web!